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-rw-r--r--builtin/log.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/builtin/log.c b/builtin/log.c
index 33528fefa9..b58f8da09e 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -599,8 +599,8 @@ static int show_tree_object(const struct object_id *oid,
static void show_setup_revisions_tweak(struct rev_info *rev,
struct setup_revision_opt *opt)
{
- if (rev->ignore_merges) {
- /* There was no "-m" on the command line */
+ if (rev->ignore_merges < 0) {
+ /* There was no "-m" variant on the command line */
rev->ignore_merges = 0;
if (!rev->first_parent_only && !rev->combine_merges) {
/* No "--first-parent", "-c", or "--cc" */
@@ -732,8 +732,7 @@ static void log_setup_revisions_tweak(struct rev_info *rev,
if (!rev->diffopt.output_format && rev->combine_merges)
rev->diffopt.output_format = DIFF_FORMAT_PATCH;
- /* Turn -m on when --cc/-c was given */
- if (rev->combine_merges)
+ if (rev->first_parent_only && rev->ignore_merges < 0)
rev->ignore_merges = 0;
}